1 | package fr.mael.jiwigo.service; |
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2 | |
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3 | import java.io.IOException; |
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4 | import java.util.List; |
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5 | |
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6 | import fr.mael.jiwigo.dao.CategoryDao; |
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7 | import fr.mael.jiwigo.om.Category; |
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8 | import fr.mael.jiwigo.transverse.session.SessionManager; |
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9 | |
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10 | /* |
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11 | Copyright (c) 2010, Mael |
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12 | All rights reserved. |
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13 | |
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14 | Redistribution and use in source and binary forms, with or without |
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15 | modification, are permitted provided that the following conditions are met: |
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16 | * Redistributions of source code must retain the above copyright |
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17 | notice, this list of conditions and the following disclaimer. |
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18 | * Redistributions in binary form must reproduce the above copyright |
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19 | notice, this list of conditions and the following disclaimer in the |
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20 | documentation and/or other materials provided with the distribution. |
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21 | * Neither the name of jiwigo nor the |
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22 | names of its contributors may be used to endorse or promote products |
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23 | derived from this software without specific prior written permission. |
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24 | |
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25 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
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26 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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27 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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28 | DISCLAIMED. IN NO EVENT SHALL Mael BE LIABLE FOR ANY |
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29 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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30 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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31 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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32 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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33 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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34 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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35 | */ |
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36 | /** |
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37 | |
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38 | * @author mael |
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39 | * |
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40 | */ |
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41 | public class CategoryService { |
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42 | /** |
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43 | * Logger |
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44 | */ |
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45 | public static final org.apache.commons.logging.Log LOG = org.apache.commons.logging.LogFactory |
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46 | .getLog(CategoryService.class); |
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47 | |
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48 | /** |
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49 | * singleton |
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50 | */ |
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51 | private static CategoryService instance; |
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52 | |
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53 | private SessionManager sessionManager; |
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54 | |
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55 | /** |
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56 | * @return the singleton |
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57 | */ |
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58 | public static CategoryService getInstance(SessionManager sessionManager) { |
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59 | if (instance == null) { |
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60 | instance = new CategoryService(sessionManager); |
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61 | } |
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62 | return instance; |
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63 | } |
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64 | |
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65 | /** |
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66 | * private constructor to use a singleton |
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67 | */ |
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68 | private CategoryService(SessionManager sessionManager) { |
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69 | this.sessionManager = sessionManager; |
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70 | |
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71 | } |
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72 | |
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73 | /** |
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74 | * Lists all categories |
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75 | * @param recursive true : recursive listing |
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76 | * @return the list of categories |
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77 | * @throws IOException |
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78 | */ |
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79 | public List<Category> list(boolean recursive) throws IOException { |
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80 | return CategoryDao.getInstance(sessionManager).list(recursive); |
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81 | } |
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82 | |
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83 | /** |
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84 | * Allows to create the categories tree |
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85 | * @return list of categories |
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86 | * @throws IOException |
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87 | */ |
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88 | public List<Category> makeTree() throws IOException { |
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89 | List<Category> list = CategoryDao.getInstance(sessionManager).list(true); |
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90 | for (Category category : list) { |
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91 | for (Category category2 : list) { |
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92 | if (category2.getIdParentCategories().size() != 1 |
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93 | && category.getIdentifier().equals( |
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94 | category2.getIdParentCategories().get(category2.getIdParentCategories().size() - 2))) { |
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95 | category.getChildCategories().add(category2); |
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96 | category2.getParentCategories().add(category); |
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97 | } |
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98 | |
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99 | } |
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100 | } |
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101 | |
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102 | return list; |
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103 | |
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104 | } |
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105 | |
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106 | /** |
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107 | * creation of a category |
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108 | * @param nom name of the category |
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109 | * @param parent parent category |
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110 | * @return true if successful |
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111 | */ |
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112 | public boolean create(String nom, Integer parent) { |
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113 | Category category = new Category(); |
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114 | category.setDirectParent(parent); |
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115 | category.setName(nom); |
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116 | return CategoryDao.getInstance(sessionManager).create(category); |
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117 | } |
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118 | |
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119 | /** |
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120 | * creation of a category without parent |
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121 | * @param nom name of the category |
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122 | * @return true if successful |
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123 | */ |
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124 | public boolean create(String nom) { |
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125 | Category category = new Category(); |
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126 | category.setName(nom); |
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127 | return CategoryDao.getInstance(sessionManager).create(category); |
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128 | } |
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129 | } |
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